Conventional generators may have a THD better than than 20%. THD just isn't a spec that generator producers normally record, specifically for traditional generators, so it’s difficult to know very well what you’re having, but minimal THD is always a safe bet with inverter generators. What’s that? The limited answer: https://generatorrentalinbariavun04785.loginblogin.com/33270093/the-basic-principles-of-cho-thuê-máy-phát-điện